Tire shoulder



FIG. 1 is a perspective view of a tire shoulder showing our new design;

FIG. 2 is a side elevational view thereof the opposite side being identical thereto;

FIG. 3 is a front view thereof; and,

FIG. 4 is an enlarged fragmentary perspective view thereof.

The broken lines defining the tire tread, sidewall, inner bead, and the peripheral boundary between the claimed tire shoulder and tread are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire shoulder, as shown and described. 